1、This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2018 by Navistar, Inc. MARCH 2018 Page 1 of 10 NAVISTAR, INC. Material, Parts, and Process Specifications
2、 (MPAPS) NUMBER: MPAPS S-F-15.101-GS/PL Former Designation: ESP-F-15.101-GS TITLE: Plain Washers English Series (Noun Code 9720) CURRENT REV No.: 1803 DATE: March 2018 WRITTEN/EDITED BY: A. Bourdon APPROVED BY: R. Goluch SUPERSEDES: 1506 June 2015 PRINTED COPIES OF THIS DOCUMENT MUST BE VERIFIED FOR
3、 CURRENT REVISION This specification may involve hazardous materials, equipment, and procedures. This specification does not purport to address all of the safety issues associated with its use. The user is responsible to consult appropriate safety and health practices and to determine the applicabil
4、ity of regulatory limits prior to use. 1.0 GENERAL: Plain washers covered by this specification are intended for general industrial applications and are the same as described in American National Standard B 18.22.1. 2.0 CONTENTS: 3.0 MATERIAL: Steel (CST) 1010-1020. Stainless steel (SST) - Any 300 s
5、eries or 400 series stainless steel per MPAPS A-37. Material will be *passivated in accordance with the specification in MPAPS S-A-0.101. Brass (BRS) and Copper (COP) - Standard with manufacturer. 4.0 POLICY FOR SELECTING PARTS FOR NEW DESIGN: Approved parts are so designated to reduce variety of pa
6、rts and assure maximum availability, interchangeability and cost savings in volume buying. For new design, parts shall be selected from “Approved“ part list only. Material: Steel (CST) Finish: Zinc Trivalent (ZN6A), Plain (PLN) Type: A - Narrow (AN), A - Wide (AW) Sizes: See page 3 FOR DIMENSIONS Pa
7、ge General 1 Material 1 Policy for Selecting Parts for New Design 1 Service Parts Substitution Policy 2 Finishes 2 Restricted Chemical Substances 2 Part Number Selection 2 Quality 2 Conversion List 2 Preferred Sizes 3 Non-Preferred Sizes 5 Non-Designated Type 9 Technical Information 10 NUMBER: MPAPS
8、 S-F-15.101-GS/PL TITLE: Plain Washers REVISION: 1803 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2018 by Navistar, Inc. MARCH 2018 Page 2 of 10 5.0
9、SERVICE PARTS SUBSTITUTION POLICY: In the event that engineering does not indicate a “Do not substitute“ in engineering specifications, the following substitutions may be implemented in service. This policy is the result of a proposal circulated April 20, 1981, and subsequently approved by engineeri
10、ng departments worldwide. Plain Washers To Be Replaced Service Replacement Plain Finish (PLN) All Types Zinc trichromate finish (ZN6A) all types or phosphate coating (PHC) (if ZND is not set up for service). 6.0 FINISHES: Washers will be furnished plain, plated or coated in accordance with the MPAPS
11、 and class listed below: Zinc w/Trivalent Chromate (ZN6A) MPAPS G-20, Class 6A. Nickel Bright (NIB) on brass MPAPS G-19, Part III, Class 5 NIB. Phosphate Coating (PHC) MPAPS G-1, Class Z-2. Nickel Dull (NID) on steel MPAPS G-19, Part III, Class 5 NID. Chrome Bright (CRB) on steel MPAPS G-19, Part II
12、I, Class 13 CRB Blued (BLU) on steel - Standard with manufacturer. Nickel Bright (NIB) on steel MPAPS G-19, Part III, Class 5 NIB. 7.0 RESTRICTED CHEMICAL SUBSTANCES: Effective January 1, 2007, all product supplied to the requirements of this specification must comply with the requirements of the MP
13、APS B-50 specification. 8.0 PART NUMBER SELECTION: Plain washer part numbers have been separated into three sections: 1. Type A, Selected Sizes - Preferred, see section 11.0 2. Types A and B - Non-Preferred Sizes, Materials or Finishes, see section 12.0 3. Non-Designated Type - Non-Preferred. see se
14、ction 13.0 9.0 QUALITY: Washers will be free from burrs, loose scale, sharp edges and all other defects that might affect their serviceability. Washers will be flat within .005 inch for basic outside diameters up to and including .875 inch and within .010 inch for larger outside diameters. 10.0 CONV
15、ERSION LIST: Inside Diameter Outside Diameter Thickness Type-Finish 410SST Part Number Replacement Part Number .156 .375 .036 A-PLN 27305R1 221431 .281 .625 .051 AN-PLN 27308R1 178474 .344 .688 .051 AN-PLN 27309R1 28588R1 .406 .812 .051 AN-PLN 27503R1 23402R1 Plain flat washers of 410 stainless stee
16、l material removed due to problems in procurement. Replacement washers may be any 300 or 400 series stainless steel per MPAPS A-37. NUMBER: MPAPS S-F-15.101-GS/PL TITLE: Plain Washers REVISION: 1803 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permissi
17、on from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2018 by Navistar, Inc. MARCH 2018 Page 3 of 10 11.0 PREFERRED SIZES: 11.1 Type A TYPE A Dimensions in inches: Nominal Washer Size Series Inside Outside Diameter Diameter Thickness A B C Tolerance Tolerance
18、Nominal Plus Minus Nominal Plus Minus Nominal Max Min * No. 1 .078 .000 .005 .188 .000 .005 .020 .025 .016 * No. 2 .094 .000 .005 .250 .000 .005 .020 .025 .016 * No. 4 .125 .008 .005 .312 .008 .005 .032 .040 .025 No. 6 .156 .008 .005 .375 .015 .005 .049 .065 .036 No. 8 .188 .008 .005 .438 .015 .005
19、.049 .065 .036 No. 10 .219 .008 .005 .500 .015 .005 .049 .065 .036 * 3/16 .250 .015 .005 .562 .015 .005 .049 .065 .036 * No. 12 .250 .015 .005 .562 .015 .005 .065 .080 .051 Narrow .281 .015 .005 .625 .015 .005 .065 .080 .051 Wide .312 .015 .005 .734 .015 .007 .065 .080 .051 5/16 Narrow .344 .015 .00
20、5 .688 .015 .007 .065 .080 .051 5/16 Wide .375 .015 .005 .875 .030 .007 .083 .104 .064 3/8 Narrow .406 .015 .005 .812 .015 .007 .065 .080 .051 3/8 Wide .438 .015 .005 1.000 .030 .007 .083 .104 .064 7/16 Narrow .469 .015 .005 .922 .015 .007 .065 .080 .051 7/16 Wide .500 .015 .005 1.250 .030 .007 .083
21、 .104 .064 Narrow .531 .015 .005 1.062 .030 .007 .095 .121 .074 Wide .562 .015 .005 1.375 .030 .007 .109 .132 .086 * 9/16 Narrow .594 .015 .005 1.156 .030 .007 .095 .121 .074 * 9/16 Wide .625 .015 .005 1.469 .030 .007 .109 .132 .086 5/8 Narrow .656 .030 .007 1.312 .030 .007 .095 .121 .074 5/8 Wide .
22、688 .030 .007 1.750 .030 .007 .134 .160 .108 Narrow .812 .030 .007 1.469 .030 .007 .134 .160 .108 Wide .812 .030 .007 2.000 .030 .007 .148 .177 .122 * 7/8 Narrow .938 .030 .007 1.750 .030 .007 .134 .160 .108 * 7/8 Wide .938 .030 .007 2.250 .030 .007 .165 .192 .136 1 Narrow 1.062 .030 .007 2.000 .030
23、 .007 .134 .160 .108 1 Wide 1.062 .030 .007 2.500 .030 .007 .165 .192 .136 * 1- 1/8 Narrow 1.250 .030 .007 2.250 .030 .007 .134 .160 .108 * 1- 1/8 Wide 1.250 .030 .007 2.750 .030 .007 .165 .192 .136 1- Narrow 1.375 .030 .007 2.500 .030 .007 .165 .192 .136 1- Wide 1.375 .030 .007 3.000 .030 .007 .165
24、 .192 .136 * 1- 3/8 Narrow 1.500 .030 .007 2.750 .030 .007 .165 .192 .136 * 1- 3/8 Wide 1.500 .045 .010 3.250 .045 .010 .180 .213 .153 1- Narrow 1.625 .030 .007 3.000 .030 .007 .165 .192 .136 1- Wide 1.625 .045 .010 3.500 .045 .010 .180 .213 .153 * 1- 5/8 1.750 .045 .010 3.750 .045 .010 .180 .213 .1
25、53 * 1- 1.875 .045 .010 4.000 .045 .010 .180 .213 .153 * 1- 2.000 .045 .010 4.250 .045 .010 .180 .213 .153 * 2 2.125 .045 .010 4.500 .045 .010 .180 .213 .153 * 2- 1/4 2.375 .045 .010 4.750 .045 .010 .220 .248 .193 * 2- 1/2 2.625 .045 .010 5.000 .045 .010 .238 .280 .210 * 2- 3/4 2.875 .065 .010 5.250
26、 .065 .010 .259 .310 .228 * 3 3.125 .065 .010 5.500 .065 .010 .284 .327 .249 * Non-preferred Sizes NUMBER: MPAPS S-F-15.101-GS/PL TITLE: Plain Washers REVISION: 1803 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Stand
27、ards. Suppliers are required to assume all patent liability. 2018 by Navistar, Inc. MARCH 2018 Page 4 of 10 11.2 Part List: 11.2.1 Approved: Nominal Size-TPI Inside Diameter Outside Diameter Minimum Thickness Washer Type Finish Material Part Number 6 .156 .375 .036 A ZN6A CST 131014 8 .188 .438 .036
28、 A ZN6A CST 131015 10 .219 .500 .036 A ZN6A CST 120391 1/4 .281 .625 .051 AN ZN6A CST 120392 1/4 .312 .734 .051 AW ZN6A CST 120386 5/16 .344 .688 .051 AN ZN6A CST 120393 5/16 .375 .875 .064 AW ZN6A CST 446363 3/8 .406 .812 .051 AN ZN6A CST 120394 3/8 .438 1.000 .064 AW ZN6A CST 120388 7/16 .469 .922
29、 .051 AN ZN6A CST 120395 7/16 .500 1.250 .064 AW ZN6A CST 120389 1/2 .531 1.062 .074 AN ZN6A CST 120396 1/2 .562 1.375 .086 AW ZN6A CST 120390 5/8 .656 1.312 .074 AN ZN6A CST 131016 5/8 .688 1.750 .108 AW ZN6A CST 130999 3/4 .812 1.469 .108 AN ZN6A CST 131017 3/4 .812 2.000 .122 AW ZN6A CST 131000 1
30、 1.062 2.000 .108 AN ZN6A CST 131019 A (only) in WASHER TYPE Column = Washer Type A (neither wide nor narrow). AN in WASHER TYPE Column = Washer Type A Narrow series. AW in WASHER TYPE Column = Washer Type A Wide series. NUMBER: MPAPS S-F-15.101-GS/PL TITLE: Plain Washers REVISION: 1803 This documen
31、t is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2018 by Navistar, Inc. MARCH 2018 Page 5 of 10 12.0 NON-PREFERRED SIZES: 12.1 Type A Dimensions in inches: Inside Dia
32、meter Outside Diameter Thickness A B C Tolerance Tolerance Nominal Plus Minus Nominal Plus Minus Nominal Max Min .094 .000 .005 .219 .000 .005 .020 .025 .016 .125 .000 .005 .250 .000 .005 .022 .028 .017 .156 .008 .005 .312 .008 .005 .035 .048 .027 .172 .008 .005 .406 .015 .005 .049 .065 .036 .188 .0
33、08 .005 .375 .015 .005 .049 .065 .036 .203 .008 .005 .469 .015 .005 .049 .065 .036 .219 .008 .005 .438 .015 .005 .049 .065 .036 .234 .008 .005 .531 .015 .005 .049 .065 .036 .250 .015 .005 .500 .015 .005 .049 .065 .036 .266 .015 .005 .625 .015 .005 .049 .065 .036 .312 .015 .005 .875 .015 .007 .065 .0
34、80 .051 .375 .015 .005 .734 .015 .007 .065 .080 .051 .375 .015 .005 1.125 .015 .007 .065 .080 .051 .438 .015 .005 .875 .030 .007 .083 .104 .064 .438 .015 .005 1.375 .030 .007 .083 .104 .064 .500 .015 .005 1.125 .030 .007 .083 .104 .064 .500 .015 .005 1.625 .030 .007 .083 .104 .064 .562 .015 .005 1.2
35、50 .030 .007 .109 .132 .086 .562 .015 .005 1.875 .030 .007 .109 .132 .086 .625 .015 .005 1.375 .030 .007 .109 .132 .086 .625 .015 .005 2.125 .030 .007 .134 .160 .108 .688 .030 .007 1.469 .030 .007 .134 .160 .108 .688 .030 .007 2.375 .030 .007 .165 .192 .136 .812 .030 .007 1.750 .030 .007 .148 .177 .
36、122 .812 .030 .007 2.875 .030 .007 .165 .192 .136 .938 .030 .007 2.000 .030 .007 .165 .192 .136 .938 .030 .007 3.375 .045 .010 .180 .213 .153 1.062 .030 .007 2.250 .030 .007 .165 .192 .136 1.062 .045 .010 3.875 .045 .010 .238 .280 .210 1.250 .030 .007 2.500 .030 .007 .165 .192 .136 1.375 .030 .007 2
37、.750 .030 .007 .165 .192 .136 1.500 .045 .010 3.000 .045 .010 .180 .213 .153 1.625 .045 .010 3.250 .045 .010 .180 .213 .153 1.688 .045 .010 3.500 .045 .010 .180 .213 .153 1.812 .045 .010 3.750 .045 .010 .180 .213 .153 1.938 .045 .010 4.000 .045 .010 .180 .213 .153 2.062 .045 .010 4.250 .045 .010 .18
38、0 .213 .153 NUMBER: MPAPS S-F-15.101-GS/PL TITLE: Plain Washers REVISION: 1803 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2018 by Navistar, Inc. MAR
39、CH 2018 Page 6 of 10 12.2 Type B Dimensions in inches: Nominal Washer Size Series Inside Diameter A Outside Diameter B Thickness C Nominal Tolerance Nominal Tolerance Nominal Plus Minus Plus Minus Max Min Narrow .068 .000 .005 .125 .000 .005 .025 .028 .022 No. 0 Regular .068 .000 .005 .188 .000 .005
40、 .025 .028 .022 Wide .068 .000 .005 .250 .000 .005 .025 .028 .022 Narrow .084 .000 .005 .156 .000 .005 .025 .028 .022 No. 1 Regular .084 .000 .005 .219 .000 .005 .025 .028 .022 Wide .084 .000 .005 .281 .000 .005 .032 .036 .028 Narrow .094 .000 .005 .188 .000 .005 .025 .028 022 No. 2 Regular .094 .00
41、0 .005 .250 .000 .005 .032 .036 .028 Wide .094 .000 .005 .344 .000 .005 .032 .036 .028 Narrow .109 .000 .005 .219 .000 .005 .025 .028 .022 No. 3 Regular .109 .000 .005 .312 .000 .005 .032 .036 .028 Wide .109 .008 .005 .406 .008 .005 .040 .045 .036 Narrow .125 .000 .005 .250 .000 .005 .032 .036 .028
42、No. 4 Regular .125 .008 .005 .357 .008 .005 .040 .045 .036 Wide .125 .008 .005 .438 .008 .005 .040 .045 .036 Narrow .141 .000 .005 .281 .000 .005 .032 .036 .028 No. 5 Regular .141 .008 .005 .406 .008 .005 .040 .045 .036 Wide .141 .008 .005 .500 .008 .005 .040 .045 .036 Narrow .156 .000 .005 .312 .00
43、0 .005 .032 .036 .028 No. 6 Regular .156 .008 .005 .438 .008 .005 .040 .045 .036 Wide .156 .008 .005 .562 .008 .005 .040 .045 .036 Narrow .188 .008 .005 .375 .008 .005 .040 .045 .036 No. 8 Regular .188 .008 .005 .500 .008 .005 .040 .045 .036 Wide .188 .008 .005 .625 .015 .005 .063 .071 .056 Narrow .
44、203 .008 .005 .406 .008 .005 040 .045 .036 No. 10 Regular .203 .008 .005 .562 .008 .005 .040 .045 .036 Wide .203 .008 .005 .734 .015 .007 .063 .071 .056 Narrow .234 .008 .005 .438 .008 .005 .040 .045 .036 No. 12 Regular .234 .008 .005 .625 .015 .005 .063 .071 .056 Wide .234 .008 .005 .875 .015 .007
45、.063 .071 .056 Narrow .281 .015 .005 .500 .015 .005 .063 .071 .056 1/4 Regular .281 .015 .005 .734 .015 .007 .063 .071 .056 Wide .281 .015 .005 1.000 .015 .007 .063 .071 .056 Narrow .344 .015 .005 .625 .015 .005 .063 .071 .056 5/16 Regular .344 .015 .005 .875 .015 .007 .063 .071 .056 Wide .344 .015
46、.005 1.125 .015 .007 .063 .071 .056 Narrow .406 .015 .005 .734 .015 .007 .063 .071 .056 3/8 Regular .406 .015 .005 1.000 .015 .007 .063 .071 .056 Wide .406 .015 .005 1.250 .030 .007 .100 .112 .090 Narrow .469 .015 .005 .875 .015 .007 .063 .071 .056 7/16 Regular .469 .015 .005 1.125 .015 .007 .063 .0
47、71 .056 Wide .469 .015 .005 1.469 .030 .007 .100 .112 .090 NUMBER: MPAPS S-F-15.101-GS/PL TITLE: Plain Washers REVISION: 1803 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume a
48、ll patent liability. 2018 by Navistar, Inc. MARCH 2018 Page 7 of 10 Dimensions in inches: Nominal Washer Size Series Inside Diameter A Outside Diameter B Thickness C Nominal Tolerance Nominal Tolerance Nominal Plus Minus Plus Minus Max Min Narrow .531 .015 .005 1.000 .015 .007 .063 .071 .056 1/2 Regular .531 .015 .005 1.250 .030 .007 .100 .112 .090 Wide .531 .015 .005 1.750 .030 .007 .100 .112 .090 Narrow .594 .015 .005 1.125 .015 .007 .063
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